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AS9100 Rev C, ISO 9001:2008,
ISO 14001:2004 and OHSAS 18001:2007

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Waveguide To Coax Adapters

Features:

  • Waveguide to 2.92, 2.4, 1.85, 1.0 mm coax connectors
  • Right-angle

Applications:

  • Transition waveguide to coax components
  • Test equipment
  • External coax connectors for waveguide assemblies or vise versa

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Download the WCA specsheet (.pdf)

Description

Millitech’s waveguide to coax adapters, cover up to 110 GHz. Waveguide to coax include 2.92, 2.4, 1.85, and 1.0 mm connectors.

Electrical Specifications

Model Name Frequency Rrange (GHZ) Band Waveguide Coax Connector Insertion Loss (DB) Return Loss (DB) Outline Drawing
WCA-42-K 18.0 – 26.5 K WR-42 2.92 mm 0.20 19 Figure 11
WCA-34-K 22.3 – 33.0 - WR-34 2.92 mm 0.30 21 Figure 11
WCA-28-K 26.5 – 40.0 Ka WR-28 2.92 mm 0.25 19 Figure 11
WCA-28-Q 26.5 – 40.0 Ka WR-28 2.40 mm 0.25 20 Figure 11
WCA-22-Q 33.0 – 50.0 Q WR-22 2.40 mm 0.30 18 Figure 2
WCA-19-V 40.0 – 60.0 U WR-19 1.85 mm 0.35 18 Figure 2
WCA-15-V 50.0 - 72.0 V WR-15 1.85 mm 0.40 16 Figure 2
WCA-12-1 60.0 - 90.0 E WR-12 1.00 mm 0.60 15 Figure 2
WCA-10-1 75.0 -110.0 W WR-10 1.00 mm 0.80 14 Figure 2

1 – WR-42, WR-34, and WR-28 have square waveguide flanges. All else are round.

Outline Drawings

WCA Square Flange

Figure 1 (Square Flange)

Model Name Dimension A Dimension B Waveguide Flange
WCA-42-K 1.250 in. 0.963 in. WR-42 UG595/U
WCA-34-K 0.85 in. 0.60 in. WR-34 UG595/U
WCA-28-K 1.250 in. 0.998 in. WR-28 UG599/U
WCA-28-Q 1.00 in. 0.75 in. WR-28 UG599/U
WCA Round Flange

Figure 2 (Round Flange)

Model Name Dimension
A
Dimension
B
Dimension
C
Dimension
D
Dimension
E
Waveguide
Flange
WCA-22-Q 0.75 in. 0.55 in. 1.00 in. 1.13 in. 0.37 in. WR-22
UG383/U
WCA-19-V 0.75 in. 0.55 in. 1.00 in. 1.13 in. 0.37 in. WR-19
UG383/U
WCA-15-V 0.80 in. 0.53 in. 1.05 in. 0.75 in. 0.34 in. WR-15
UG385/U
WCA-12-1 0.76 in. n/a 1.00 in. n/a 0.34 in. WR-12
UG387/U
WCA-10-1 0.76 in. n/a 1.00 in. n/a 0.34 in. WR-10
UG387/U

How to Order:

Specify Model Number
WCA-XX-ABC00
XX =Waveguide Band
  • WR – number
A= Coax connector
  • K – 2.92 mm connector
  • Q – 2.4 mm connector
  • V - 1.85 mm connector
  • 1 - 1.00 mm connector
B= Flange type
  • S = Square flange (WR-42, WR-34, and WR-28 only)
  • R = Round
C= Coax connector type
  • F = Female (standard)
  • M = Male